Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 3/23/2026 10:06:51 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($23.86) M
0 Insiders 37 Insiders
0 Transactions 62 Transactions
2/23/2026 to 3/23/2026
3 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($68.21) M
0 Insiders 42 Insiders
0 Transactions 107 Transactions
12/23/2025 to 3/23/2026
6 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
$687,602 ($151.31) M
7 Insiders 70 Insiders
7 Transactions 235 Transactions
9/23/2025 to 3/23/2026
12 Month
Buy/Sell Ratio 0.01
0%
100%
Buy Sell
$1.98 M ($252.32) M
11 Insiders 94 Insiders
12 Transactions 422 Transactions
3/23/2025 to 3/23/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Caris Life Sciences, Inc.
$630,000 1
Billiontoone, Inc.
$414,000 1
Fortrea Holdings Inc.
$407,150 2
Caris Life Sciences, Inc.
$157,500 1
Billiontoone, Inc.
$150,000 1
Fortrea Holdings Inc.
$100,018 1
Billiontoone, Inc.
$60,000 1
Billiontoone, Inc.
$48,000 1
Caris Life Sciences, Inc.
$9,540 1
Billiontoone, Inc.
$6,000 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($33,527,192) 17
Guardant Health, Inc.
($27,238,215) 2
Natera, Inc.
($15,729,986) 6
Natera, Inc.
($14,112,351) 26
Guardant Health, Inc.
($11,910,936) 5
GRAIL, Inc.
($11,896,762) 12
Natera, Inc.
($11,011,477) 1
GRAIL, Inc.
($9,789,428) 6
Quest Diagnostics Inc
($8,727,274) 2
Natera, Inc.
($8,679,853) 20

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Billiontoone, Inc. 4 4
Fortrea Holdings Inc. 2 3
Caris Life Sciences, Inc. 2 2

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 10 108
Veracyte, Inc. 10 26
LABCORP HOLDINGS INC. 10 20
Radnet, Inc. 10 18
Guardant Health, Inc. 9 19
Quest Diagnostics Inc 8 19
Caredx, Inc. 5 12
Exact Sciences Corp 5 9
Castle Biosciences Inc 4 37
GRAIL, Inc. 3 26

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Quest Diagnostics Inc 0.00 $0 ($5,523,820) 0.00 $0 ($6,751,151) 0.00 $0 ($14,815,251)
Natera, Inc. 0.00 $0 ($4,057,846) 0.00 $0 ($73,602,517) 0.00 $0 ($98,977,271)
GRAIL, Inc. 0.00 $0 ($3,955,044) 0.00 $0 ($19,058,690) 0.00 $0 ($26,669,457)
Veracyte, Inc. 0.00 $0 ($3,207,700) 0.00 $0 ($7,249,372) 0.00 $0 ($7,880,589)
LABCORP HOLDINGS INC. 0.00 $0 ($3,022,351) 0.00 $0 ($6,524,418) 0.00 $0 ($14,287,259)
Castle Biosciences Inc 0.00 $0 ($1,986,998) 0.00 $0 ($7,161,514) 0.00 $0 ($8,935,559)
Radnet, Inc. 0.00 $0 ($1,865,294) 0.00 $0 ($9,299,397) 0.00 $0 ($26,042,535)
Sera Prognostics, Inc. 0.00 $0 ($103,854) 0.00 $0 ($394,424) 0.00 $0 ($830,688)
Exagen Inc. 0.00 $0 ($103,807) 0.00 $0 ($479,406) 0.00 $0 ($679,768)
Guardant Health, Inc. 0.00 $0 ($30,655) 0.00 $0 ($17,434,073) 0.00 $0 ($47,803,375)
Caredx, Inc. -- $0 $0 0.00 $0 ($898,840) 0.00 $0 ($2,039,345)
Personalis, Inc. -- $0 $0 0.00 $0 ($266,212) 0.00 $0 ($292,579)
Exact Sciences Corp -- $0 $0 0.00 $0 ($1,740,409) 0.00 $0 ($1,973,421)
Fulgent Genetics, Inc. -- $0 $0 0.00 $0 ($454,101) 0.00 $0 ($673,267)
Aclarion, Inc. -- $0 $0 -- $62 $0 -- $62 $0
Caris Life Sciences, Inc. -- $0 $0 -- $9,540 $0 -- $797,040 $0
Billiontoone, Inc. -- $0 $0 -- $678,000 $0 -- $678,000 $0
Celcuity Inc. -- $0 $0 -- $0 $0 0.00 $0 ($420,767)
Fortrea Holdings Inc. -- $0 $0 -- $0 $0 -- $507,168 $0